Finding the Fourth Proportional to 135,700.30, 203,550.97 and 56,759.15
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Solution
The fourth proportional to 135,700.30, 203,550.97 and 56,759.15 is: 85,138.94
Step by Step Solution
- Step 1: Write the proportion equation
135,700.30 : 203,550.97 = 56,759.15 : x - Step 2: Convert to fraction form
135,700.30/203,550.97 = 56,759.15/x - Step 3: Cross multiply
135,700.30x = 203,550.97 × 56,759.15 - Step 4: Simplify right side
135,700.30x = 11,553,380,038.88 - Step 5: Solve for x
x = 11,553,380,038.88/135,700.30 - Step 6: Final answer
x = 85,138.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.